package inherit;

public class Animal {
    private String name;
    private int id;
    public Animal(String myName, int myid) {
        name = myName;
        id = myid;
    }
    public void eat(){
        System.out.println(name+"正在吃");
    }
    public void sleep(){
        System.out.println(name+"正在睡");
    }
    public void introduction() {
        System.out.println("大家好！我是"+id+"号"+name+"。");
    }

    public static void main(String[] args) {
        Animal a = new Mouse("老鼠",2021);
        a.eat();a.sleep();a.introduction();
        Animal b = new Penguin("企鹅",2020);
        b.eat();b.sleep();b.introduction();
    }
}
